cmMessenger: Extract from cmake class

This way messages can be issued independent of the cmake instance.

It is now possible to make DisplayMessage a virtual interface and
override it to handle messages in the cmake-gui or future IDE
interaction interfaces.

1 files changed, 4 insertions, 3 deletions

diff --git a/Source/cmake.h b/Source/cmake.h
index 343d37120e..dbe936ba44 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -25,6 +25,7 @@ class cmGlobalGeneratorFactory;
 class cmGlobalGenerator;
 class cmLocalGenerator;
 class cmMakefile;
+class cmMessenger;
 class cmVariableWatch;
 class cmFileTimeComparison;
 class cmExternalMakefileProjectGeneratorFactory;
@@ -346,6 +347,8 @@ public:
     return this->CMakeEditCommand;
   }
 
+  cmMessenger* GetMessenger() const;
+
   /*
    * Get the state of the suppression of developer (author) warnings.
    * Returns false, by default, if developer warnings should be shown, true
@@ -395,9 +398,6 @@ public:
     cmake::MessageType t, std::string const& text,
     cmListFileBacktrace const& backtrace = cmListFileBacktrace()) const;
 
-  void DisplayMessage(cmake::MessageType t, std::string const& text,
-                      cmListFileBacktrace const& backtrace) const;
-
   ///! run the --build option
   int Build(const std::string& dir, const std::string& target,
             const std::string& config,
@@ -491,6 +491,7 @@ private:
 
   cmState* State;
   cmState::Snapshot CurrentSnapshot;
+  cmMessenger* Messenger;
 
   std::vector<std::string> TraceOnlyThisSources;